as president obama said the f.b.i. is investigating this as an act of terrorism and the full force of the federal government will support the response and the federal investigation. there is no current evidence that the attack was part of a broader plot. but out of caution, we don't to keep in place enhanced security measures seen and unseen with coordination of state and local partners. we urge the american people to remain vigil legend and report any signs of suspicious activity to local law enforcement. we thank the people of boston for their response. we stand in solidarity with them and with everyone who has been making sure that the response, the recovery, and the investigation continue full force. beyond that, mr. chairman, i should not say anything in an unclassified setting except to reassure the committee that d.h.s. is put in full force into providing the f.b.i. with any and all assistance it requires in addition doing a number of other things with the city of boston. >> thank you. >> as you know, this year